nconfig: Fix segfault when menu is empty
nconf crush with segfault if press right arrow in empty menu. Signed-off-by: NAndrej Gelenberg <andrej.gelenberg@udo.edu> Signed-off-by: NMichal Marek <mmarek@suse.cz>
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nconf crush with segfault if press right arrow in empty menu. Signed-off-by: NAndrej Gelenberg <andrej.gelenberg@udo.edu> Signed-off-by: NMichal Marek <mmarek@suse.cz>